Whoo boy, a lot. Here we go:
Owl City (literally every one of his albums ever)
Neon Trees (Picture Show album)
I'm going to see both of them in March. c:
Lana Del Rey (Born To Die album)
A Rocket to the Moon (On Your Side)
Passion and Hikaru by Utada Hikaru
SAO openings 1 and 2
And a few songs from Abingdon Boys Scool and Antic Cafe.